/* 组件层：按钮、卡片、芯片、硬件按钮、波形、小票、时间轴、墙 */

/* ===== 按钮 ===== */
.btn-solid, .btn-ghost, .btn-text {
  display: inline-flex; align-items: center; gap: 9px;
  height: 44px; padding: 0 20px;
  font-size: 14px; font-weight: 700; letter-spacing: -.01em;
  border: 1px solid var(--ink);
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.btn-solid { background: var(--ink); color: var(--white); }
.btn-solid:hover { background: var(--lime-2); color: var(--ink); box-shadow: 0 8px 0 -2px rgba(12, 38, 24, .18); transform: translateY(-2px); }
.btn-solid:active { transform: translateY(0); box-shadow: none; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); background: var(--paper-2); }
.btn-text { height: auto; padding: 0; border: 0; font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.btn-text:hover { color: var(--ink); }
.btn-arrow { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 2; }
.btn-arrow use { stroke: currentColor; }
.scene--dark .btn-ghost { color: var(--dark-text); border-color: var(--dark-line); }
.scene--dark .btn-ghost:hover { background: rgba(217, 242, 169, .1); border-color: var(--lime-2); }
.scene--dark .btn-solid { background: var(--lime-2); color: var(--dark); border-color: var(--lime-2); }
.scene--dark .btn-solid:hover { background: var(--lime); }

.cta-big {
  display: inline-flex; align-items: center; gap: 16px;
  margin-top: 30px; padding: 17px 26px;
  background: var(--lime-2); color: var(--dark);
  border: 0; border-left: var(--edge-strong) solid var(--lime);
  font-size: clamp(15px, 1.25vw, 20px); font-weight: 780; letter-spacing: -.02em;
  align-self: flex-start;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.cta-big:hover { background: var(--lime); transform: translateX(5px); }
.cta-key {
  display: inline-flex; align-items: center; justify-content: center;
  height: 24px; padding: 0 9px;
  background: var(--dark); color: var(--lime-2);
  font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: .12em;
}
.cta-text { white-space: nowrap; }
.cta-arrow { width: 22px; height: 22px; fill: none; stroke: var(--dark); stroke-width: 2; }
.cta-arrow use { stroke: var(--dark); }

/* ===== 卡片 ===== */
.card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: var(--edge-strong) solid var(--ink);
  padding: 20px 22px;
}
.card--lime { border-top-color: var(--lime-2); background: #fbfdf6; }
.card--flat { background: var(--paper-2); }
.card-grid { display: grid; gap: 16px; }
.card-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card .label { display: block; margin-bottom: 9px; }
.card h3 { font-size: var(--fs-h3); font-weight: 760; letter-spacing: -.02em; line-height: 1.28; }
.card p { margin-top: 9px; color: var(--ink-2); font-size: 13.5px; line-height: 1.6; }
.card-ico { width: 26px; height: 26px; fill: var(--ink); margin-bottom: 12px; }
.card-num { position: absolute; top: 14px; right: 16px; font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: .1em; color: var(--muted); }
.tag {
  display: inline-flex; align-items: center; height: 21px; padding: 0 8px;
  background: var(--paper-2); color: var(--ink-2);
  font-family: var(--mono); font-size: 9.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
}
.tag--lime { background: var(--lime); color: var(--ink); }
.tag--yellow { background: var(--yellow); color: var(--ink); }
.tag--ink { background: var(--ink); color: var(--white); }
.tag--warn { background: transparent; border: 1px solid var(--red); color: var(--red); }

/* ===== 芯片 / 灵感胶囊 ===== */
.chip-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-top: 26px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 11px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 13px;
  background: var(--white); border: 1px solid var(--line);
  font-size: 13px; color: var(--ink-2); text-align: left;
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.chip:hover { border-color: var(--ink); background: var(--lime); color: var(--ink); transform: translateY(-2px); }
.chip .chip-k { font-family: var(--mono); font-size: 9px; letter-spacing: .1em; color: var(--muted); }
.chip:hover .chip-k { color: var(--ink-2); }

/* ===== 输入 ===== */
.say-type { display: flex; gap: 0; margin-top: 18px; max-width: 620px; }
.type-input {
  flex: 1 1 auto; min-width: 0; height: 46px; padding: 0 15px;
  background: var(--white); border: 1px solid var(--ink); border-right: 0;
  font-size: 15px; color: var(--ink);
  outline: none;
}
.type-input::placeholder { color: var(--muted); }
.type-input:focus { background: #fcfdf8; box-shadow: inset 0 -3px 0 var(--lime-2); }
.say-type .btn-solid { height: 46px; flex: none; }

/* ===== Say, & 卡片（核心道具） ===== */
.sayand-card {
  --rot: -1.4deg;
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: var(--edge-strong) solid var(--lime-2);
  padding: 14px 18px;
  transform: rotate(var(--rot));
  box-shadow: 0 10px 26px rgba(12, 38, 24, .09);
}
.sayand-card .sc-prefix { font-family: var(--serif); font-style: italic; font-size: 19px; color: var(--ink-2); letter-spacing: -.01em; }
.sayand-card .sc-text { display: block; margin-top: 5px; font-size: clamp(15px, 1.2vw, 20px); font-weight: 700; line-height: 1.42; letter-spacing: -.015em; }
.sayand-card .sc-meta { display: flex; gap: 10px; margin-top: 11px; font-family: var(--mono); font-size: 9.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

.say-card-live {
  margin-top: 26px; padding: 16px 20px;
  background: var(--white); border: 1px solid var(--line); border-left: var(--edge-strong) solid var(--line);
  min-height: 78px; display: flex; flex-direction: column; justify-content: center;
  transition: border-color var(--t-step) var(--ease), background var(--t-step) var(--ease);
}
.say-card-live.is-recording { border-left-color: var(--lime-2); background: #fcfdf7; }
.say-card-live.is-done { border-left-color: var(--ink); }
.live-prefix { font-family: var(--serif); font-style: italic; font-size: 20px; color: var(--ink-2); }
.live-text { display: block; margin-top: 4px; font-size: clamp(16px, 1.45vw, 25px); font-weight: 760; line-height: 1.4; letter-spacing: -.02em; }
.live-text.is-placeholder { color: var(--muted); font-weight: 500; letter-spacing: .04em; }
.live-caret { display: inline-block; width: 2px; height: 1em; background: var(--lime-2); vertical-align: -.14em; margin-left: 3px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ===== 硬件按钮 ===== */
.device { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.device-btn {
  position: relative; width: clamp(210px, 20vw, 280px); aspect-ratio: 1;
  display: grid; place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, #2c4c39, var(--ink) 62%, #06170e);
  box-shadow: 0 26px 60px rgba(12, 38, 24, .28), inset 0 2px 0 rgba(255, 255, 255, .12), inset 0 -8px 22px rgba(0, 0, 0, .45);
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}
.device-btn:hover { transform: scale(1.015); }
.device-btn.is-down { transform: scale(.965); box-shadow: 0 10px 26px rgba(12, 38, 24, .3), inset 0 2px 0 rgba(255, 255, 255, .08), inset 0 -4px 14px rgba(0, 0, 0, .5), 0 0 0 12px rgba(184, 230, 110, .18); }
.device-face { position: relative; z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 4px; pointer-events: none; }
.device-amp { font-size: clamp(74px, 7.4vw, 104px); line-height: .9; color: var(--lime-2); transition: color var(--t-step) var(--ease), transform var(--t-step) var(--ease); }
.device-btn.is-down .device-amp { color: var(--lime); transform: scale(1.07); }
.device-label { font-size: 10px; letter-spacing: .3em; color: rgba(238, 243, 234, .55); }
.device-ring { position: absolute; inset: -14px; z-index: 2; pointer-events: none; }
.device-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring-bg { fill: none; stroke: var(--line); stroke-width: 3; opacity: .55; }
.ring-fg { fill: none; stroke: var(--lime-2); stroke-width: 5; stroke-linecap: butt; stroke-dasharray: 628; stroke-dashoffset: 628; transition: stroke-dashoffset 90ms linear; }
.device-pulse { position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--lime-2); opacity: 0; pointer-events: none; }
.device-btn.is-down ~ .device-pulse, .device-pulse.is-on { animation: ring-out 1.5s var(--ease-out) infinite; }
@keyframes ring-out { 0% { opacity: .55; transform: scale(1); } 100% { opacity: 0; transform: scale(1.45); } }

.device-hint { font-size: 10.5px; letter-spacing: .14em; color: var(--ink-2); text-align: center; }
.device-state { font-size: 11.5px; color: var(--muted); text-align: center; max-width: 30ch; line-height: 1.5; }
.device-state.is-ok { color: #4f7a25; }
.device-state.is-warn { color: var(--red); }

.wave { display: flex; align-items: center; justify-content: center; gap: 3px; height: 46px; }
.wave i { display: block; width: 4px; height: 4px; background: var(--line); transition: height 70ms linear, background 160ms var(--ease); }
.wave.is-live i { background: var(--lime-2); }

/* ===== 连接链路 ===== */
.chain { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: clamp(12px, 2vh, 22px); }
.chain-col {
  position: relative; padding: 18px 20px 20px;
  background: var(--white); border: 1px solid var(--line); border-top: var(--edge-strong) solid var(--line);
  margin-right: 26px; min-height: 210px;
  opacity: .42; transform: translateY(10px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease), border-top-color 420ms var(--ease), background 420ms var(--ease);
}
.chain-col:last-child { margin-right: 0; }
.chain-col.is-on { opacity: 1; transform: none; border-top-color: var(--ink); }
.chain-col.is-hot { border-top-color: var(--lime-2); background: #fcfdf7; }
.chain-col::after {
  content: ""; position: absolute; top: 50%; right: -26px; width: 26px; height: 2px;
  background: var(--line); transform: scaleX(0); transform-origin: left;
  transition: transform 420ms var(--ease), background 420ms var(--ease);
}
.chain-col:last-child::after { display: none; }
.chain-col.is-on::after { transform: scaleX(1); background: var(--lime-2); }
.chain-idx { font-family: var(--mono); font-size: 10px; font-weight: 700; letter-spacing: .12em; color: var(--muted); }
.chain-name { margin-top: 6px; font-size: clamp(16px, 1.3vw, 21px); font-weight: 780; letter-spacing: -.025em; }
.chain-en { margin-top: 2px; font-family: var(--mono); font-size: 9.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.chain-items { margin-top: 14px; display: flex; flex-direction: column; gap: 7px; }
.chain-item {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px; background: var(--paper-2); border-left: 3px solid var(--line);
  font-size: 12.5px; color: var(--ink-2); line-height: 1.4;
  opacity: 0; transform: translateX(-8px);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease), border-color 320ms var(--ease), background 320ms var(--ease);
}
.chain-item.is-on { opacity: 1; transform: none; border-left-color: var(--lime-2); background: var(--lime); color: var(--ink); }
.chain-item svg { width: 15px; height: 15px; fill: currentColor; flex: none; }
.chain-item .ci-note { display: block; font-size: 10.5px; color: var(--muted); margin-top: 1px; }
.chain-item.is-on .ci-note { color: var(--ink-2); }
.chain-quote { margin-top: 14px; font-size: 13.5px; line-height: 1.55; color: var(--ink); font-weight: 600; }
.chain-quote mark { background: var(--lime); color: var(--ink); padding: 0 2px; }

/* ===== 对比条 ===== */
.compare { display: grid; grid-template-columns: 1fr auto 1fr; gap: 20px; align-items: center; margin-top: clamp(14px, 2.4vh, 26px); padding-top: clamp(14px, 2.2vh, 22px); border-top: 1px solid var(--line); }
.compare-op { font-size: 40px; color: var(--lime-2); line-height: 1; }
.compare-steps { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.cstep {
  display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px;
  background: var(--white); border: 1px solid var(--line);
  font-size: 12px; color: var(--ink-2);
  transition: opacity 420ms var(--ease), transform 420ms var(--ease), background 420ms var(--ease), border-color 420ms var(--ease), max-width 460ms var(--ease), padding 460ms var(--ease), margin 460ms var(--ease);
  max-width: 220px; overflow: hidden; white-space: nowrap;
}
.cstep .n { font-family: var(--mono); font-size: 9px; color: var(--muted); letter-spacing: .08em; }
.cstep.is-gone { opacity: 0; transform: scale(.6) translateY(-8px); max-width: 0; padding: 0; border-width: 0; }
.cstep--big { height: 44px; padding: 0 20px; background: var(--ink); color: var(--white); border-color: var(--ink); font-size: 16px; font-weight: 780; letter-spacing: -.01em; }
.cstep--big .amp { color: var(--lime-2); font-size: 19px; }
.compare-col--new .label { color: #4f7a25; }

/* ===== 小票 ===== */
.printer { display: flex; flex-direction: column; align-items: center; gap: 0; }
.printer-slot { width: min(390px, 88%); height: 13px; background: var(--ink); box-shadow: 0 6px 16px rgba(12, 38, 24, .2); position: relative; z-index: 2; }
.printer-slot::after { content: ""; position: absolute; left: 8%; right: 8%; top: 5px; height: 2px; background: var(--lime-2); opacity: .5; }
.receipt {
  width: min(390px, 88%);
  background: var(--white);
  border: 1px solid var(--line); border-top: 0;
  padding: 22px 22px 16px;
  font-family: var(--mono); font-size: 11.5px; color: var(--ink-2);
  box-shadow: 0 24px 46px rgba(12, 38, 24, .16);
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1500ms var(--ease-out);
  position: relative; z-index: 1;
}
.receipt.is-printed { clip-path: inset(0 0 0 0); }
.receipt::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -9px; height: 9px;
  background:
    linear-gradient(-45deg, transparent 6px, var(--white) 0) 0 0 / 12px 9px repeat-x,
    linear-gradient(45deg, transparent 6px, var(--white) 0) 0 0 / 12px 9px repeat-x;
}
.rc-head { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 2px solid var(--ink); padding-bottom: 9px; }
.rc-brand { font-family: var(--sans); font-size: 19px; font-weight: 790; letter-spacing: -.03em; color: var(--ink); }
.rc-brand .amp { font-family: var(--serif); font-style: italic; font-weight: 400; }
.rc-line { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; border-bottom: 1px dotted var(--line); }
.rc-line .k { color: var(--muted); letter-spacing: .08em; text-transform: uppercase; font-size: 9.5px; flex: none; padding-top: 2px; }
.rc-line .v { text-align: right; color: var(--ink); font-family: var(--sans); font-size: 12.5px; font-weight: 600; line-height: 1.45; }
.rc-say { margin: 14px 0; padding: 13px 14px; background: var(--paper-2); border-left: 4px solid var(--lime-2); }
.rc-say .q { font-family: var(--serif); font-style: italic; font-size: 14px; color: var(--ink-2); }
.rc-say .t { display: block; margin-top: 5px; font-family: var(--sans); font-size: 15px; font-weight: 750; line-height: 1.45; color: var(--ink); letter-spacing: -.015em; }
.rc-total { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; padding-top: 11px; border-top: 2px solid var(--ink); }
.rc-total .k { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.rc-total .v { font-family: var(--sans); font-size: 15px; font-weight: 790; color: var(--ink); letter-spacing: -.02em; }
.rc-stamp { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; padding: 6px 10px; background: var(--ink); color: var(--lime-2); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.rc-stamp svg { width: 13px; height: 13px; fill: none; stroke: var(--lime-2); stroke-width: 2.6; }
.rc-foot { margin-top: 14px; padding-top: 10px; border-top: 1px dotted var(--line); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); text-align: center; line-height: 1.7; }

/* ===== Punch ===== */
.punch { display: flex; gap: 18px; align-items: flex-start; margin-top: 26px; padding: 20px 22px; background: var(--lime); border-left: var(--edge-strong) solid var(--ink); }
.punch-num { font-family: var(--serif); font-style: italic; font-size: 58px; line-height: .82; color: var(--ink); flex: none; }
.punch-text { font-size: clamp(14px, 1.1vw, 17px); line-height: 1.62; color: var(--ink); }

/* ===== 对决（手机 vs Say&） ===== */
.duel { display: inline-flex; border: 1px solid var(--ink); align-self: flex-start; }
.duel-tab { padding: 11px 20px; font-size: 13.5px; font-weight: 700; color: var(--ink-2); background: var(--white); border-right: 1px solid var(--line); transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease); }
.duel-tab:last-child { border-right: 0; }
.duel-tab.is-on { background: var(--ink); color: var(--white); }
.duel-stage { position: relative; margin-top: clamp(10px, 1.6vh, 18px); }
.duel-panel { display: none; grid-template-columns: minmax(150px, 210px) 1fr; gap: clamp(20px, 3vw, 46px); align-items: center; }
.duel-panel.is-on { display: grid; animation: fade-up 460ms var(--ease-out); }
@keyframes fade-up { from { opacity: 0; transform: translateY(14px); } }
.duel-verdict { font-size: clamp(17px, 1.5vw, 25px); font-weight: 780; letter-spacing: -.025em; line-height: 1.35; }
.duel-list { margin-top: 16px; display: flex; flex-direction: column; gap: 9px; }
.duel-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: var(--ink-2); line-height: 1.55; opacity: 0; transform: translateX(-10px); transition: opacity 380ms var(--ease), transform 380ms var(--ease); }
.duel-list li.is-on { opacity: 1; transform: none; }
.duel-list li::before { content: ""; width: 7px; height: 7px; margin-top: 7px; background: var(--lime-2); flex: none; }
.duel-panel--phone .duel-list li::before { background: var(--red); }

/* 手机框用高度锚定而不是宽度：05 章是纵向预算最紧的章节，
   宽度锚定会让手机在高屏幕上把整个对决面板撑破。 */
.phone-frame { height: clamp(220px, 28vh, 340px); aspect-ratio: 9 / 18; width: auto; max-width: 100%; margin: 0 auto; background: var(--ink); padding: 8px; box-shadow: 0 22px 46px rgba(12, 38, 24, .22); }
.phone-screen { position: relative; width: 100%; height: 100%; background: var(--paper-2); overflow: hidden; }
.notif {
  position: absolute; left: 7px; right: 7px;
  display: flex; gap: 8px; align-items: center;
  padding: 8px 9px; background: var(--white); border: 1px solid var(--line); border-left: 3px solid var(--ink);
  box-shadow: 0 6px 14px rgba(12, 38, 24, .12);
  font-size: 10.5px; line-height: 1.35; color: var(--ink-2);
  animation: notif-in 380ms var(--ease-out);
}
.notif svg { width: 14px; height: 14px; fill: var(--muted); flex: none; }
.notif b { display: block; font-size: 10px; letter-spacing: .04em; color: var(--ink); }
@keyframes notif-in { from { opacity: 0; transform: translateY(-16px) scale(.96); } }
.phone-intent { position: absolute; left: 9px; right: 9px; bottom: 9px; padding: 9px; background: var(--lime); font-size: 11px; font-weight: 700; color: var(--ink); line-height: 1.4; transition: opacity 500ms var(--ease), filter 500ms var(--ease); }
.phone-intent.is-lost { opacity: .22; filter: blur(1.6px); }

.puck-wrap { display: grid; place-items: center; gap: 14px; }
.puck {
  width: clamp(110px, 11vw, 150px); aspect-ratio: 1; border-radius: 50%;
  display: grid; place-items: center;
  background: radial-gradient(circle at 34% 28%, #2c4c39, var(--ink) 62%, #06170e);
  box-shadow: 0 20px 42px rgba(12, 38, 24, .26), inset 0 2px 0 rgba(255, 255, 255, .12);
  animation: puck-breathe 3.4s var(--ease) infinite;
}
.puck .amp { font-size: 58px; color: var(--lime-2); }
@keyframes puck-breathe { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
.puck-collar { width: 62%; height: 3px; background: var(--line); position: relative; }
.puck-collar::after { content: "夹在领口 · 离嘴很近"; position: absolute; top: 10px; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: 9.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }

/* ===== 人群 ===== */
.persona-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.persona-tab { text-align: left; padding: 16px 18px; background: var(--white); border: 1px solid var(--line); border-top: var(--edge-strong) solid var(--line); transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease); }
.persona-tab:hover { transform: translateY(-3px); border-top-color: var(--ink-2); }
.persona-tab.is-on { border-top-color: var(--lime-2); background: #fcfdf7; }
.pt-top { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.pt-name { font-size: clamp(15px, 1.2vw, 19px); font-weight: 780; letter-spacing: -.02em; }
.pt-share { font-family: var(--mono); font-size: 19px; font-weight: 700; color: var(--ink-2); letter-spacing: -.02em; }
.pt-share sup { font-size: 10px; vertical-align: super; color: var(--muted); }
.pt-need { margin-top: 8px; font-size: 12.5px; color: var(--ink-2); line-height: 1.55; }
.persona-stage { margin-top: 18px; padding: 20px 22px; background: var(--white); border: 1px solid var(--line); border-left: var(--edge-strong) solid var(--ink); min-height: 230px; }
.ps-moment { display: flex; align-items: center; gap: 9px; font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.ps-moment svg { width: 14px; height: 14px; fill: var(--muted); }
.ps-quote { margin-top: 12px; font-size: clamp(16px, 1.4vw, 23px); font-weight: 760; line-height: 1.45; letter-spacing: -.02em; }
.ps-quote .amp { color: #4f7a25; }
.ps-chain { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: 20px; }
.ps-node { position: relative; padding: 13px 14px; background: var(--paper-2); border-top: 4px solid var(--line); margin-right: 22px; opacity: .45; transition: opacity 420ms var(--ease), border-color 420ms var(--ease), background 420ms var(--ease); }
.ps-node:last-child { margin-right: 0; }
.ps-node.is-on { opacity: 1; border-top-color: var(--lime-2); background: var(--lime); }
.ps-node::after { content: ""; position: absolute; top: 50%; right: -22px; width: 22px; height: 2px; background: var(--line); transform: scaleX(0); transform-origin: left; transition: transform 420ms var(--ease); }
.ps-node:last-child::after { display: none; }
.ps-node.is-on::after { transform: scaleX(1); background: var(--lime-2); }
.ps-node .k { font-family: var(--mono); font-size: 9px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.ps-node .v { margin-top: 6px; font-size: 13px; font-weight: 700; line-height: 1.42; color: var(--ink); }
.ps-values { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 8px; }

/* ===== 终端演化 ===== */
.evo { margin-top: clamp(16px, 2.6vh, 28px); }
.evo-stage { position: relative; height: clamp(150px, 24vh, 230px); display: grid; place-items: center; border: 1px solid var(--dark-line); background: rgba(217, 242, 169, .035); overflow: hidden; }
.evo-shape { position: absolute; display: grid; place-items: center; transition: all 620ms var(--ease); }
/* 描边图标靠 currentColor 上色，这里把颜色指到荧光绿；
   实心结构的服务器/手机图标仍吃 fill。 */
.evo-shape svg { width: 100%; height: 100%; fill: var(--lime-2); color: var(--lime-2); }
.evo-shape .screen { position: absolute; background: rgba(217, 242, 169, .16); border: 1px solid rgba(217, 242, 169, .35); transition: all 620ms var(--ease); }
.evo-caption { position: absolute; left: 18px; bottom: 14px; font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--dark-muted); }
.evo-year { position: absolute; right: 18px; bottom: 12px; font-family: var(--serif); font-style: italic; font-size: 40px; color: var(--lime-2); opacity: .82; line-height: 1; }
.evo-track { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin-top: 0; border: 1px solid var(--dark-line); border-top: 0; }
.evo-step { padding: 14px 12px; text-align: left; border-right: 1px solid var(--dark-line); color: var(--dark-muted); transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease); }
.evo-step:last-child { border-right: 0; }
.evo-step:hover { background: rgba(217, 242, 169, .07); color: var(--dark-text); }
.evo-step.is-on { background: var(--lime-2); color: var(--dark); }
.evo-step .n { font-family: var(--mono); font-size: 9px; letter-spacing: .14em; text-transform: uppercase; opacity: .75; }
.evo-step .t { margin-top: 6px; font-size: 14px; font-weight: 760; letter-spacing: -.015em; }
.evo-note { margin-top: 16px; padding: 16px 20px; border-left: var(--edge-standard) solid var(--lime-2); background: rgba(217, 242, 169, .06); font-size: clamp(13.5px, 1.05vw, 16px); line-height: 1.62; color: #d5e0d8; }

.phase2 { margin-top: clamp(18px, 3vh, 34px); padding-top: clamp(16px, 2.4vh, 24px); border-top: 1px solid var(--dark-line); }
.chain-mini { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 14px; }
.chain-mini .m { padding: 9px 13px; background: rgba(217, 242, 169, .09); border: 1px solid var(--dark-line); font-size: 12.5px; color: var(--dark-text); font-weight: 600; }
.chain-mini .m--hot { background: var(--lime-2); color: var(--dark); border-color: var(--lime-2); font-weight: 780; }
.chain-mini .sep { font-family: var(--serif); font-style: italic; color: var(--lime-2); font-size: 17px; }
.phase2-note { margin-top: 14px; font-size: 12px; line-height: 1.6; color: var(--dark-muted); max-width: 84ch; }

/* ===== 墙 ===== */
.wall-stats { display: flex; gap: 26px; }
.wall-stat .n { font-family: var(--mono); font-size: clamp(26px, 2.6vw, 40px); font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.wall-stat .k { margin-top: 6px; font-family: var(--mono); font-size: 9.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.wall {
  flex: 1 1 auto; min-height: 190px;
  display: flex; flex-wrap: wrap; align-content: flex-start; gap: 12px;
  padding: 18px; margin-top: 16px;
  background: var(--white); border: 1px solid var(--line);
  overflow: hidden auto; scrollbar-width: thin;
}
.wall-card {
  --rot: 0deg;
  position: relative; flex: 0 0 auto; width: clamp(170px, 15vw, 216px);
  padding: 13px 14px 12px;
  background: var(--paper); border: 1px solid var(--line); border-top: 4px solid var(--lime-2);
  transform: rotate(var(--rot));
  transition: transform 260ms var(--ease), box-shadow 260ms var(--ease), z-index 0s;
  animation: drop-in 520ms var(--ease-out) backwards;
}
.wall-card:hover { transform: rotate(0deg) translateY(-7px) scale(1.035); box-shadow: 0 18px 34px rgba(12, 38, 24, .17); z-index: 5; }
@keyframes drop-in { from { opacity: 0; transform: rotate(var(--rot)) translateY(-26px) scale(.9); } }
.wall-card .wc-prefix { font-family: var(--serif); font-style: italic; font-size: 13px; color: var(--muted); }
.wall-card .wc-text { display: block; margin-top: 4px; font-size: 13.5px; font-weight: 700; line-height: 1.42; letter-spacing: -.012em; }
.wall-card .wc-meta { display: flex; justify-content: space-between; gap: 8px; margin-top: 10px; font-family: var(--mono); font-size: 8.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.wall-card.is-mine { border-top-color: var(--ink); background: var(--lime); }
.wall-card.is-gifted::after { content: "周边已发"; position: absolute; top: -1px; right: -1px; padding: 3px 6px; background: var(--ink); color: var(--lime-2); font-family: var(--mono); font-size: 8px; letter-spacing: .1em; }
.wall-empty { display: none; flex-direction: column; align-items: center; gap: 14px; padding: 34px; text-align: center; color: var(--muted); }
.wall-empty.is-on { display: flex; }

.takeaway { display: grid; grid-template-columns: 1.1fr 1fr; gap: 16px; margin-top: 16px; }
.take-card { padding: 18px 20px; background: var(--white); border: 1px solid var(--line); border-top: var(--edge-standard) solid var(--ink); }
.take-text { margin-top: 9px; font-size: 13.5px; color: var(--ink-2); line-height: 1.55; }
.take-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 15px; }
.qr-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.qr { padding: 13px; background: var(--white); border: 1px solid var(--line); text-align: center; }
.qr-box { width: 100%; aspect-ratio: 1; display: grid; place-items: center; background: var(--paper-2); border: 1px dashed var(--line); color: var(--muted); }
.qr-box svg { width: 34%; height: 34%; fill: var(--line); }
.qr-box img { width: 100%; height: 100%; object-fit: contain; }
.qr .k { margin-top: 9px; font-size: 12px; font-weight: 700; }
.qr .s { margin-top: 2px; font-family: var(--mono); font-size: 8.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* ===== 品牌场景 ===== */
.inner-brand { justify-content: center; align-items: flex-start; }
.brand-title { display: flex; align-items: baseline; gap: clamp(10px, 1.6vw, 26px); margin-top: 10px; }
.brand-say { font-size: clamp(58px, 11vw, 168px); font-weight: 790; letter-spacing: -.055em; line-height: .92; color: var(--dark-text); }
.brand-comma { color: var(--lime-2); }
.brand-amp { font-size: clamp(66px, 12.6vw, 194px); line-height: .8; color: var(--lime-2); display: inline-block; animation: amp-float 5.4s var(--ease) infinite; }
@keyframes amp-float { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-13px) rotate(2.5deg); } }
.brand-line { margin-top: clamp(14px, 2.4vh, 26px); font-size: clamp(21px, 2.5vw, 40px); font-weight: 780; letter-spacing: -.035em; line-height: 1.28; color: var(--dark-text); }
.brand-line em { color: var(--lime-2); }
.brand-sub { margin-top: 16px; max-width: 66ch; font-size: clamp(13.5px, 1.08vw, 17px); line-height: 1.66; color: #b9c8bd; }
.brand-ticker { margin-top: 26px; min-height: 54px; display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-left: 3px solid var(--lime-2); background: rgba(217, 242, 169, .06); max-width: min(880px, 92%); }
.brand-ticker .bt-k { font-family: var(--mono); font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--lime-2); flex: none; }
.brand-ticker .bt-t { font-size: clamp(13px, 1.05vw, 16.5px); line-height: 1.5; color: #dbe5de; font-weight: 600; }
.bt-caret { display: inline-block; width: 8px; height: 1.05em; background: var(--lime-2); vertical-align: -.18em; animation: blink .9s steps(1) infinite; }
.brand-foot { margin-top: 26px; font-size: 9.5px; letter-spacing: .16em; color: var(--dark-muted); }

/* ===== 通用布局辅助 ===== */
.inner-say { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(24px, 4vw, 68px); align-items: center; }
.inner-chain, .inner-result, .inner-device, .inner-people, .inner-wall { justify-content: flex-start; }
.inner-device .scene-head { margin-bottom: clamp(10px, 1.6vh, 18px); }
/* 05 章四张卡（含「第一阶段交付」平卡）在宽屏排一行，省下第二行的高度 */
@media (min-width: 1181px) {
  .inner-device .card-grid.three { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.inner-result { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .82fr); gap: clamp(24px, 4vw, 64px); align-items: center; }
.result-left { display: flex; flex-direction: column; }
.result-right { display: grid; place-items: center; }
.inner-wall .wall { max-height: 34vh; }

@media (max-width: 1180px) {
  .inner-result { grid-template-columns: 1fr; }
  .chain { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .chain-col { margin-right: 0; }
  .chain-col::after { display: none; }
  .ps-chain { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .ps-node { margin-right: 0; }
  .ps-node::after { display: none; }
  .takeaway { grid-template-columns: 1fr; }
  .evo-track { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  :root { --rail-h: 48px; --hint-h: 34px; }
  .rail-item .rail-name { font-size: 8px; letter-spacing: .04em; }
  .card-grid.three, .card-grid.four, .persona-tabs, .qr-row { grid-template-columns: 1fr; }
  .duel-panel { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .compare-op { display: none; }
  .hint-group:nth-of-type(n+2), .hint-sep { display: none; }
  .wall-stats { gap: 16px; }
}

/* 1024×768 这类「够宽但不够高」的现场副屏：SAY 保持左右两栏，
   并整体收紧纵向间距，让按住说话的按钮、打字框与灵感胶囊都在首屏内。 */
@media (max-width: 900px) {
  .inner-say { grid-template-columns: 1fr; }
  .say-right { order: -1; }
}
@media (max-height: 860px) {
  .scene { padding-top: 14px; padding-bottom: 12px; }
  .scene-head { margin-bottom: 12px; }
  /* 矮屏先把标题字号收一档：02 SAY 是现场唯一必须整章不滚的章节，
     一旦它超出 clientHeight + 8px，滚轮翻章就会被让位给场景内滚动。 */
  .h-display { margin-top: 8px; font-size: clamp(29px, 3.4vw, 42px); }
  .h-sub { margin-top: 10px; }
  .scene-actions { padding-top: 12px; }
  .inner-say { gap: clamp(18px, 3vw, 44px); align-items: center; }
  .say-card-live { margin-top: 12px; padding: 12px 16px; min-height: 56px; }
  .say-type { margin-top: 13px; }
  .chip-head { margin-top: 12px; }
  .chips { margin-top: 8px; }
  .device { gap: 10px; }
  .device-btn { width: clamp(172px, 17vw, 236px); }
  .device-amp { font-size: clamp(58px, 6vw, 86px); }
  .wave { height: 34px; }
  .inner-brand .brand-ticker { margin-top: 18px; }
  .inner-brand .brand-foot { margin-top: 18px; }
  .inner-wall .wall { max-height: 30vh; }
}

/* 手机扫码打开：不允许任何元素横向越界，主按钮占满一行 */
@media (max-width: 720px) {
  :root { --pad-x: 18px; --topbar-h: 54px; --grid: 34px; }
  .topbar { gap: 10px; }
  .topbar-meta { gap: 9px; }
  .topbar .mono-tag { display: none; }
  .wordmark { font-size: 17px; }
  .cta-big { align-self: stretch; width: 100%; gap: 11px; padding: 15px 16px; }
  .cta-big:hover { transform: none; }
  .cta-text { white-space: normal; }
  .cta-arrow { flex: none; }
  .brand-title { gap: 10px; }
  .brand-ticker { max-width: 100%; }
  .brand-sub { max-width: 100%; }
  .puck-collar::after { white-space: normal; width: 150px; text-align: center; line-height: 1.5; }
  .scene-head--row { gap: 14px; }
  .wall-stats { flex-wrap: wrap; gap: 12px 20px; }
  .wall-stat .n { font-size: 26px; }
  .take-card { padding: 18px; }
  .take-actions { flex-direction: column; align-items: stretch; }
  .qr-row { gap: 12px; }
  .hintbar { gap: 8px; padding: 0 12px; font-size: 10px; }
  .sim-badge { padding: 0 7px; font-size: 8.5px; letter-spacing: .04em; }
  .toast { font-size: 12.5px; padding: 10px 13px; }
}